diff options
Diffstat (limited to 'media/libjpeg/simd/jsimd_arm.c')
| -rw-r--r-- | media/libjpeg/simd/jsimd_arm.c | 727 |
1 files changed, 0 insertions, 727 deletions
diff --git a/media/libjpeg/simd/jsimd_arm.c b/media/libjpeg/simd/jsimd_arm.c deleted file mode 100644 index 61cd073e1b..0000000000 --- a/media/libjpeg/simd/jsimd_arm.c +++ /dev/null @@ -1,727 +0,0 @@ -/* - * jsimd_arm.c - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright (C) 2009-2011, 2013-2014, 2016, D. R. Commander. - * Copyright (C) 2015-2016, Matthieu Darbois. - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - * This file contains the interface between the "normal" portions - * of the library and the SIMD implementations when running on a - * 32-bit ARM architecture. - */ - -#define JPEG_INTERNALS -#include "../jinclude.h" -#include "../jpeglib.h" -#include "../jsimd.h" -#include "../jdct.h" -#include "../jsimddct.h" -#include "jsimd.h" - -#include <stdio.h> -#include <string.h> -#include <ctype.h> - -static unsigned int simd_support = ~0; -static unsigned int simd_huffman = 1; - -#if defined(__linux__) || defined(ANDROID) || defined(__ANDROID__) - -#define SOMEWHAT_SANE_PROC_CPUINFO_SIZE_LIMIT (1024 * 1024) - -LOCAL(int) -check_feature (char *buffer, char *feature) -{ - char *p; - if (*feature == 0) - return 0; - if (strncmp(buffer, "Features", 8) != 0) - return 0; - buffer += 8; - while (isspace(*buffer)) - buffer++; - - /* Check if 'feature' is present in the buffer as a separate word */ - while ((p = strstr(buffer, feature))) { - if (p > buffer && !isspace(*(p - 1))) { - buffer++; - continue; - } - p += strlen(feature); - if (*p != 0 && !isspace(*p)) { - buffer++; - continue; - } - return 1; - } - return 0; -} - -LOCAL(int) -parse_proc_cpuinfo (int bufsize) -{ - char *buffer = (char *)malloc(bufsize); - FILE *fd; - simd_support = 0; - - if (!buffer) - return 0; - - fd = fopen("/proc/cpuinfo", "r"); - if (fd) { - while (fgets(buffer, bufsize, fd)) { - if (!strchr(buffer, '\n') && !feof(fd)) { - /* "impossible" happened - insufficient size of the buffer! */ - fclose(fd); - free(buffer); - return 0; - } - if (check_feature(buffer, "neon")) - simd_support |= JSIMD_ARM_NEON; - } - fclose(fd); - } - free(buffer); - return 1; -} - -#endif - -/* - * Check what SIMD accelerations are supported. - * - * FIXME: This code is racy under a multi-threaded environment. - */ -LOCAL(void) -init_simd (void) -{ - char *env = NULL; -#if !defined(__ARM_NEON__) && defined(__linux__) || defined(ANDROID) || defined(__ANDROID__) - int bufsize = 1024; /* an initial guess for the line buffer size limit */ -#endif - - if (simd_support != ~0U) - return; - - simd_support = 0; - -#if defined(__ARM_NEON__) - simd_support |= JSIMD_ARM_NEON; -#elif defined(__linux__) || defined(ANDROID) || defined(__ANDROID__) - /* We still have a chance to use NEON regardless of globally used - * -mcpu/-mfpu options passed to gcc by performing runtime detection via - * /proc/cpuinfo parsing on linux/android */ - while (!parse_proc_cpuinfo(bufsize)) { - bufsize *= 2; - if (bufsize > SOMEWHAT_SANE_PROC_CPUINFO_SIZE_LIMIT) - break; - } -#endif - - /* Force different settings through environment variables */ - env = getenv("JSIMD_FORCENEON"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_support = JSIMD_ARM_NEON; - env = getenv("JSIMD_FORCENONE"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_support = 0; - env = getenv("JSIMD_NOHUFFENC"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_huffman = 0; -} - -GLOBAL(int) -jsimd_can_rgb_ycc (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_rgb_gray (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(int) -jsimd_can_ycc_rgb (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_ycc_rgb565 (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_rgb_ycc_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - void (*neonfct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); - - switch(cinfo->in_color_space) { - case JCS_EXT_RGB: - neonfct=jsimd_extrgb_ycc_convert_neon; - break; - case JCS_EXT_RGBX: - case JCS_EXT_RGBA: - neonfct=jsimd_extrgbx_ycc_convert_neon; - break; - case JCS_EXT_BGR: - neonfct=jsimd_extbgr_ycc_convert_neon; - break; - case JCS_EXT_BGRX: - case JCS_EXT_BGRA: - neonfct=jsimd_extbgrx_ycc_convert_neon; - break; - case JCS_EXT_XBGR: - case JCS_EXT_ABGR: - neonfct=jsimd_extxbgr_ycc_convert_neon; - break; - case JCS_EXT_XRGB: - case JCS_EXT_ARGB: - neonfct=jsimd_extxrgb_ycc_convert_neon; - break; - default: - neonfct=jsimd_extrgb_ycc_convert_neon; - break; - } - - neonfct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); -} - -GLOBAL(void) -jsimd_rgb_gray_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ -} - -GLOBAL(void) -jsimd_ycc_rgb_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - void (*neonfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); - - switch(cinfo->out_color_space) { - case JCS_EXT_RGB: - neonfct=jsimd_ycc_extrgb_convert_neon; - break; - case JCS_EXT_RGBX: - case JCS_EXT_RGBA: - neonfct=jsimd_ycc_extrgbx_convert_neon; - break; - case JCS_EXT_BGR: - neonfct=jsimd_ycc_extbgr_convert_neon; - break; - case JCS_EXT_BGRX: - case JCS_EXT_BGRA: - neonfct=jsimd_ycc_extbgrx_convert_neon; - break; - case JCS_EXT_XBGR: - case JCS_EXT_ABGR: - neonfct=jsimd_ycc_extxbgr_convert_neon; - break; - case JCS_EXT_XRGB: - case JCS_EXT_ARGB: - neonfct=jsimd_ycc_extxrgb_convert_neon; - break; - default: - neonfct=jsimd_ycc_extrgb_convert_neon; - break; - } - - neonfct(cinfo->output_width, input_buf, input_row, output_buf, num_rows); -} - -GLOBAL(void) -jsimd_ycc_rgb565_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - jsimd_ycc_rgb565_convert_neon(cinfo->output_width, input_buf, input_row, - output_buf, num_rows); -} - -GLOBAL(int) -jsimd_can_h2v2_downsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_downsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ -} - -GLOBAL(void) -jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ -} - -GLOBAL(int) -jsimd_can_h2v2_upsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_upsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_upsample (j_decompress_ptr cinfo, - jpeg_component_info *compptr, - JSAMPARRAY input_data, - JSAMPARRAY *output_data_ptr) -{ -} - -GLOBAL(void) -jsimd_h2v1_upsample (j_decompress_ptr cinfo, - jpeg_component_info *compptr, - JSAMPARRAY input_data, - JSAMPARRAY *output_data_ptr) -{ -} - -GLOBAL(int) -jsimd_can_h2v2_fancy_upsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_fancy_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info *compptr, - JSAMPARRAY input_data, - JSAMPARRAY *output_data_ptr) -{ -} - -GLOBAL(void) -jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info *compptr, - JSAMPARRAY input_data, - JSAMPARRAY *output_data_ptr) -{ - jsimd_h2v1_fancy_upsample_neon(cinfo->max_v_samp_factor, - compptr->downsampled_width, input_data, - output_data_ptr); -} - -GLOBAL(int) -jsimd_can_h2v2_merged_upsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_merged_upsample (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ -} - -GLOBAL(void) -jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ -} - -GLOBAL(int) -jsimd_can_convsamp (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_convsamp_float (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, - DCTELEM *workspace) -{ - jsimd_convsamp_neon(sample_data, start_col, workspace); -} - -GLOBAL(void) -jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, - FAST_FLOAT *workspace) -{ -} - -GLOBAL(int) -jsimd_can_fdct_islow (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(int) -jsimd_can_fdct_ifast (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_fdct_float (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_fdct_islow (DCTELEM *data) -{ -} - -GLOBAL(void) -jsimd_fdct_ifast (DCTELEM *data) -{ - jsimd_fdct_ifast_neon(data); -} - -GLOBAL(void) -jsimd_fdct_float (FAST_FLOAT *data) -{ -} - -GLOBAL(int) -jsimd_can_quantize (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_quantize_float (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_quantize (JCOEFPTR coef_block, DCTELEM *divisors, - DCTELEM *workspace) -{ - jsimd_quantize_neon(coef_block, divisors, workspace); -} - -GLOBAL(void) -jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT *divisors, - FAST_FLOAT *workspace) -{ -} - -GLOBAL(int) -jsimd_can_idct_2x2 (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_idct_4x4 (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info *compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_2x2_neon(compptr->dct_table, coef_block, output_buf, - output_col); -} - -GLOBAL(void) -jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info *compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_4x4_neon(compptr->dct_table, coef_block, output_buf, - output_col); -} - -GLOBAL(int) -jsimd_can_idct_islow (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_idct_ifast (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(IFAST_MULT_TYPE) != 2) - return 0; - if (IFAST_SCALE_BITS != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_idct_float (void) -{ - init_simd(); - - return 0; -} - -GLOBAL(void) -jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info *compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_islow_neon(compptr->dct_table, coef_block, output_buf, - output_col); -} - -GLOBAL(void) -jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info *compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_ifast_neon(compptr->dct_table, coef_block, output_buf, - output_col); -} - -GLOBAL(void) -jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info *compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ -} - -GLOBAL(int) -jsimd_can_huff_encode_one_block (void) -{ - init_simd(); - - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - - if (simd_support & JSIMD_ARM_NEON && simd_huffman) - return 1; - - return 0; -} - -GLOBAL(JOCTET*) -jsimd_huff_encode_one_block (void *state, JOCTET *buffer, JCOEFPTR block, - int last_dc_val, c_derived_tbl *dctbl, - c_derived_tbl *actbl) -{ - return jsimd_huff_encode_one_block_neon(state, buffer, block, last_dc_val, - dctbl, actbl); -} |